given:
        buildFile << """
            def taskWithCredentials = tasks.register('taskWithCredentials', TaskWithCredentials) {
                credentials.set(providers.credentials(PasswordCredentials, 'testCredentials'))
            }
        """

        when:
        args '-PtestCredentialsUsername=user', '-PtestCredentialsPassword=secret'
        succeeds 'taskWithCredentials'

        then: